google.golang.org/grpc/balancer/endpointsharding.pickerWithChildStates.Pick (method, view implemented interface methods)

one use

	google.golang.org/grpc/balancer/endpointsharding (current package)
		endpointsharding.go#L316: func (p *pickerWithChildStates) Pick(info balancer.PickInfo) (balancer.PickResult, error) {